terrain 3d blend value checker

DebugTerrain3DBlend.gd

@tool
extends RayCast3D

@export var terrain: Terrain3D
@export var debug: bool = false

@export var base_texture_id: int
@export var overlay_id: int
@export var blend_value: float

func _ready() -> void:
	if Engine.is_editor_hint():
		pass
	else:
		queue_free()
	
func _process(delta: float) -> void:
	if !terrain or !debug:
		return
	
	var t := terrain.data.get_texture_id(global_position)
	
	base_texture_id = int(t.x) if not is_nan(t.x) else NAN
	overlay_id = int(t.y) if not is_nan(t.y) else NAN
	blend_value = t.z
	
	#print_debug(t)